Construction technology for broadening and reforming rigidity matching system of hollow slab bridge
A technology of hollow slab bridge and construction technology, which is applied in the direction of bridges, bridge maintenance, bridge reinforcement, etc., can solve problems such as sudden changes in stiffness, achieve the effects of reducing vibration displacement difference, easy installation, and overcoming vibration asynchrony
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Embodiment 1
[0043] like figure 1 , image 3 , Figure 4 , Figure 5 As shown, a rigidity matching system for the widening and reconstruction of hollow slab bridges is suitable for the widening and reconstruction of hollow slab bridges with a span greater than 16m. Bridge, including the old hollow slab bridge side slab 1, the old hollow slab bridge inner slab 2, the new hollow slab bridge side slab 3, the new hollow slab bridge inner slab 4, the old hollow slab bridge side slab 1 and the new hollow slab bridge side slab 3 can be connected by the upper bridge deck pavement connection, or the longitudinal expansion joint connection, or the horizontal connection method of the cast-in-place wet joint connection.
[0044] A total of 5 stiffness matching members 5, 6, 7 are arranged along the transverse direction of the bridge, including the stiffness matching member 5 arranged at the mid-span position, the stiffness matching member 6 arranged at a position L / 4 from the end, and the stiffness...
Embodiment 2
[0054] like figure 2 , image 3 As shown, a hollow slab bridge widening and reconstruction stiffness matching system is suitable for the widening and reconstruction of hollow slab bridges with a span of less than or equal to 16m. New bridge, including the old hollow slab bridge side plate 1, the old hollow slab bridge inner plate 2, the new hollow slab bridge side plate 3, the new hollow slab bridge inner plate 4, at the old hollow slab bridge side plate 1 and the new hollow slab bridge edge The boards 3 can be connected by pavement on the upper part of the bridge, or provided with longitudinal expansion joints, or horizontally connected by cast-in-place wet joints.
[0055] A total of 3 stiffness matching members 5 and 6 are arranged along the transverse direction of the bridge, including the stiffness matching member 5 arranged at the mid-span position and the stiffness matching member 6 arranged at a position L / 4 from the end. The stiffness matching members 5 and 6 are ma...
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